Question

Calculate the ph of a solution that was prepared with 0. 73 g of hcl to produce 500 ml of aqueous solution.

Answer 1

It can be deduced that the pH of the solution will be 1.42.

How to calculate the pH

The following can be deduced from the information

Mass = 0.73 g of HCl

Volume = 500 ml = 0.5l

Molecular weight of HCl = 36.5 g

From the given information, the mole will be represented by x and is calculated thus:

x = (0.73 x 1) / 36.5

x = 0.019 mol

Then, we'll calculate the molarity which will be:

Molarity = 0.019 / 0.5

Molarity = 0.038

Then, the pH will be calculated thus:

pH = -log [H+]

pH = - log [0.038]

pH = 1.42

In conclusion, the pH is 1.42.

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